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• � . <br /> TFP515 ' <br /> Page 2 of 8 ' <br /> Physical Characteristics INLET PLUG WITH <br /> Inlet. . .. . . . ... . . . . .. .... . Copper ' ' GASf(ETED <br /> Plug . . . . . . . . .. .. . . . .. ... Copper ^' �� SPRING <br /> : ' <br /> Yoke ... .. ... . .. ... Stainless Steel ` P�ATE SEAI_ <br /> Casing . .. .... . . . . . .. . Galvanized � <br /> Carbon Steel YOKE -- <br /> Insert . . . . . . . . .. . . ... .. . Bronze <br /> Bulb Seat. . . .. . . . . . Stainless Steel , WATER <br /> Bulb . .. . . . . . ... . . . . . . .. . . .Glass ' TUBE <br />�, Deflector.. . . . . .. . . . . . . ... Bronze INLET BAND — ' .' <br /> .. <br /> Frame.. .. ... . .. . . ..... . Bronze - _�� <br /> GuideTube. . ... . . . Stainless_Steel - "" <br /> �. -..-_-. <br /> Water Tube. .. ... . . Sta'inless Sfeel <br /> Spring. . ..... .. . . . . Stainless Steel SPRING � INSERT <br /> Gasketed Spring <br /> Plate Seal. . ..... .. Beryllium Nickel <br /> wIfEFLON <br /> Support Cup..... . . . Chrorne P�lated CASING <br /> Steel BULB <br /> Guide Pins . .. ... . . . Stainless Steel SEAT <br /> Compression Screw . ... .. .. Brass <br /> Cover Plate... ... . . . ..... . . Brass GUIDE TUBE � <br /> Retainer .. . .. .... . .... .... Brass <br /> Ejection Spring. . . . . . Stainless Steel FRAME <br /> � <br /> Opera#ion VENT HOLE %� . <br /> , <br /> ,. <br /> When TYCO Series DS-C Dry Type ,' ,� <br /> Concealecl Fendent Sprinklers is , /, BU�B <br /> in service, water is prevented from SUPPORT <br /> entering the assembly by the Flug with CUP VvITH <br /> Gasketed Spring.Plate Seal(Figure 1)in ROLL FORMED <br /> fhe Inlet of the Sprinkler. THFiEADS COMPRESSION <br /> When exposed to heat from a fire,the f� SCREW <br /> Cover Plate,which is normaily soldered I I <br /> to tfie Retainer at three points, falls GUIDE PIN <br /> away to expose the Sprinkler Assembly. <br /> At this poirit the Deflectgr s.upported by �� _ ___��__ DEFLECTOR <br /> the Guide Pins drops down to its oPera- `_`r-=----`_�- , <br /> (DROPPED <br /> tional position. DEFLECTOR I I POSITION) <br /> The glass bulb contains a fluid that ; ' <br /> expands when exposed to heat,When SPRINK�ER <br /> the rateci terTiperattire is reach�eci,the I SUPPORT CUP � <br /> fluicl expan.cis sufficieritly to shatter i ASSEMBLY � RETAINER <br /> the glass bulb, anci the Bulb Seat is THREAD INTO WITH THRE,AD <br /> Yeleased. SUPPORT , � <br /> CUP UNTIL i � DIMFLES <br /> The compressed Spring is then able to MOUNTING <br /> expand ancl push the Water Tube as SURFACE IS <br /> well as the Guide Tube outwarcJ.This FLUSH wITH ° o <br /> action s'irriultaneously pulls inward on CEIUNG <br /> the Yoke, withdrawing the Piug inrith � EJEC110N <br /> Gasketed Spring Plate Seal, froin the SPRING <br /> Inlet,allowing the sprinkler to activate <br /> and flow water. -- <br /> SOLDER `— COVER <br /> TAB COVER PLATE PLATE - <br /> RETQINER <br /> ASSEMBLY <br /> FIGURE 1 <br /> SERIES DS-C STANDARU COVERAGE DRY-TYPE <br /> COIVCEALED PEIVDEAIT SPRIIVKLER <br /> ASSEMBLY <br />, <br />